sgd-praktikum/SQL/Schema.sql

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No EOL
2.8 KiB
SQL

DROP TABLE BookingGuest;
DROP TABLE BookingRoom CASCADE CONSTRAINTS;
DROP TABLE Booking;
DROP TABLE CleaningClerk;
DROP TABLE CleaningPlan CASCADE CONSTRAINTS;
DROP TABLE Client;
DROP TABLE Clerk;
DROP TABLE Person;
DROP TABLE Room;
DROP TABLE Address;
DROP SEQUENCE address_seq;
DROP SEQUENCE room_seq;
DROP SEQUENCE person_seq;
DROP SEQUENCE cleaningPlan_seq;
DROP SEQUENCE booking_seq;
CREATE TABLE Address
(
addressId NUMBER PRIMARY KEY,
street VARCHAR2(50) NOT NULL,
houseNumber NUMBER NOT NULL,
postalCode NUMBER NOT NULL,
city VARCHAR2(50) NOT NULL,
country VARCHAR2(50) NOT NULL
);
CREATE TABLE Room
(
roomNumber NUMBER PRIMARY KEY,
floor NUMBER NOT NULL,
roomTyp VARCHAR2(50) NOT NULL,
"size" NUMBER NOT NULL,
accessibility NUMBER NOT NULL,
beds NUMBER NOT NULL
);
CREATE TABLE Person
(
personId NUMBER PRIMARY KEY,
name VARCHAR2(50) NOT NULL,
lastName VARCHAR2(50) NOT NULL,
age NUMBER NOT NULL,
addressId NUMBER NOT NULL,
FOREIGN KEY (addressId) REFERENCES Address(addressId)
);
CREATE TABLE Clerk
(
personId NUMBER PRIMARY KEY,
staff NUMBER NOT NULL UNIQUE,
salary NUMBER NOT NULL,
FOREIGN KEY (personId) REFERENCES Person(personId)
);
CREATE TABLE Client
(
personId NUMBER PRIMARY KEY,
bankDetails VARCHAR2(22) NOT NULL,
FOREIGN KEY (personId) REFERENCES Person(personId)
);
CREATE TABLE CleaningPlan
(
cleaningPlanId NUMBER PRIMARY KEY,
"date" DATE NOT NULL,
duration NUMBER NOT NULL,
roomNUMBER NUMBER NOT NULL,
FOREIGN KEY (roomNUMBER) REFERENCES ROOM(roomNumber)
);
CREATE TABLE CleaningClerk
(
clerkId NUMBER,
cleaningPlanId NUMBER,
PRIMARY KEY (clerkId,cleaningPlanId),
FOREIGN KEY (clerkId) REFERENCES Clerk(personId),
FOREIGN KEY (cleaningPlanId) REFERENCES CleaningPlan(cleaningPlanId)
);
CREATE TABLE Booking (
bookingId NUMBER PRIMARY KEY,
arrivalDate DATE NOT NULL,
departureDate DATE NULL,
cost NUMBER NULL,
pensionType VARCHAR2(50) NOT NULL,
lateCheckout NUMBER NULL,
clientId NUMBER NOT NULL,
FOREIGN KEY (clientId) REFERENCES Client(personId)
);
CREATE TABLE BookingGuest (
bookingId NUMBER NOT NULL,
personId NUMBER NOT NULL,
PRIMARY KEY(bookingId, personId),
FOREIGN KEY (bookingId) REFERENCES Booking(bookingId) ON DELETE CASCADE,
FOREIGN KEY (personId) REFERENCES Person(personId)
);
CREATE TABLE BookingRoom (
bookingId NUMBER NOT NULL,
roomNumber NUMBER NOT NULL,
PRIMARY KEY(bookingId, roomNumber),
FOREIGN KEY (bookingId) REFERENCES Booking(bookingId) ON DELETE CASCADE,
FOREIGN KEY (roomNumber) REFERENCES Room(roomNumber)
);
CREATE SEQUENCE address_seq;
CREATE SEQUENCE room_seq;
CREATE SEQUENCE person_seq;
CREATE SEQUENCE cleaningPlan_seq;
CREATE SEQUENCE booking_seq;